package com.xxxx.server.config;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.xxxx.server.pojo.MailConstants;
import com.xxxx.server.pojo.MailLog;
import com.xxxx.server.service.IMailLogService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;



//RabbitMQ配置类
@Configuration
public class RabbitConfig {

private  static  final Logger LOGGER = LoggerFactory.getLogger(RabbitConfig.class);
@Autowired
private CachingConnectionFactory cachingConnectionFactory;
@Autowired
private IMailLogService mailLogService;


    @Bean
    public RabbitTemplate rabbitTemplate(){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(cachingConnectionFactory);
       //消息确认回调确认消息是否到达broker
        /*
        * data:消息唯一标识
        * ack：确认结果
        * cause：失败原因
        * */
        rabbitTemplate.setConfirmCallback((data, ack, cause) -> {
            String msgId = data.getId();
            if(ack){
               LOGGER.info("{}=======》消息发送成功",msgId);

               mailLogService.update(new UpdateWrapper<MailLog>().set("status",1).eq("msgId",msgId));
             }else {
                LOGGER.info("{}=======》消息发送失败",msgId);
            }
        });
        //消息失败回调比如router不到queue时回调
        /*
        * msg：消息主题
        * repCode：响应码
        * repText：相应描述
        * exchange：交换机
        * routingkey：路由键
        * */
        rabbitTemplate.setReturnCallback((msg,repCode,repText,exchange,routingkey) -> {
            LOGGER.info("{}=======》消息发送到queue时失败",msg.getBody());
        });
        return rabbitTemplate;
    }

    @Bean
    public Queue queue(){
        return new Queue(MailConstants.MAIL_QUEUE_NAME);
    }
    @Bean
    public DirectExchange directExchange(){
        return new DirectExchange(MailConstants.MAIL_EXCHANGE_NAME);
    }
    @Bean
    public Binding binding(){
        return BindingBuilder.bind(queue()).to(directExchange()).with(MailConstants.MAIL_ROUTING_KEY_NAME);
    }
}
